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Set Up Storage

Milvus supports using Amazon Simple Storage Service (S3) as persistent storage for log and index files. This topic describes how to set up S3 for Milvus.

You can set up S3 with Docker Compose or on K8s.

Set up with Docker Compose

1. Configure S3

MinIO is compatible with S3. To set up S3 with Docker Compose, provide your values for the minio section in the milvus.yaml file on the milvus/configs path.

minio:
  address: <your_s3_endpoint>
  port: <your_s3_port>
  accessKeyID: <your_s3_access_key_id>
  secretAccessKey: <your_s3_secret_access_key>
  useSSL: <true/false>
  bucketName: "<your_bucket_name>"

See MinIO/S3 Configurations for more information.

2. Run Milvus

Run the following command to start Milvus that uses the S3 configurations.

docker-compose up
Configurations only take effect after Milvus starts. See Start Milvus for more information.

Set up on K8s

For Milvus clusters on K8s, you can configure S3 in the same command that starts Milvus. Alternatively, you can configure S3 using the values.yml file on the /charts/milvus path in the milvus-helm repository before you start Milvus.

The following table lists the keys for configuring S3 in the YAML file.

Key Description Value
externalS3.enabled Enables or disables S3. true/false
externalS3.host The endpoint to access S3.
externalS3.port The port to access S3.
externalS3.accessKey The access key ID for S3.
externalS3.secretKey The secret access key for S3.
externalS3.bucketName The name of the S3 bucket.
minio.enabled Enables or disables MinIO. true/false

Using the YAML file

  1. Configure the minio section in the values.yaml file.
minio:
  enabled: false
  1. Configure the externalS3 section using your values in the values.yaml file.
externalS3:
  enabled: true
  host: "<your_s3_endpoint>"
  port: "<your_s3_port>"
  accessKey: "<your_s3_access_key_id>"
  secretKey: "<your_s3_secret_key>"
  useSSL: <true/false>
  bucketName: "<your_bucket_name>"
  1. After configuring the preceding sections and saving the values.yaml file, run the following command to install Milvus that uses the S3 configurations.
helm install <your_release_name> milvus/milvus -f values.yaml

Using a command

To install Milvus and configure S3, run the following command using your values.

helm install <your_release_name> milvus/milvus --set cluster.enabled=true --set externalS3.enabled=true --set externalS3.host='<your_s3_endpoint>' --set externalS3.port=<your_s3_port> --set externalS3.accessKey=<your_s3_access_key_id> --set externalS3.secretKey=<your_s3_secret_key> --set externalS3.bucketName=<your_bucket_name> --set minio.enabled=false

What's next

If you want to learn how to use storage from other cloud providers:

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